CN206430322U - Central air-conditioning ventilation warning positioning system - Google Patents
Central air-conditioning ventilation warning positioning system Download PDFInfo
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- CN206430322U CN206430322U CN201720023329.9U CN201720023329U CN206430322U CN 206430322 U CN206430322 U CN 206430322U CN 201720023329 U CN201720023329 U CN 201720023329U CN 206430322 U CN206430322 U CN 206430322U
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- positioning system
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Abstract
The utility model discloses a kind of central air-conditioning ventilation warning positioning system, it is intended to solves the shortcoming of the maintenance inconvenience of backwind tube in the prior art, and its drip irrigation device is:A kind of central air-conditioning ventilation warning positioning system, including detection means, control device, positioner and warning device;The detection means includes setting the baroceptor at each return air inlet;The warning device includes human body sensing device, short range warning device and remote alarming device;The positioner includes being coupled to the signal prompt module of each baroceptor, and the signal prompt module compares component, first switch component including first, performs component;The execution component sends the positioning signal of the abnormal baroceptor of positioning pressure difference signal in response to pressure difference signal.Central air-conditioning ventilation warning positioning system of the present utility model has the advantages that to remind staff when return air inlet ventilation is not smooth, improves Central Air condition efficiency.
Description
Technical field
The utility model is related to central air-conditioning maintenance monitoring technology field, more specifically, it relates to a kind of central air-conditioning
Ventilation warning positioning system.
Background technology
Central air-conditioning is typically mounted in the buildings such as market or office building, is that whole market or office building carry out sky
Gas is exchanged and temperature adjustment, during routine use, it usually needs maintaining is carried out to air-conditioning, wherein to air-conditioning return air
The maintenance of mouth is particularly important, because air-conditioning return air is the pith for ensureing air in buildings circulation, but is using process
In easily occur the phenomenon that dust stratification is blocked, cause the problems such as ventilation is not smooth in building.
It is typically at present regularly to be overhauled by maintenance personal in the maintenance for return air inlet, or in each room of each floor
User find to notify that maintenance personal comes maintenance after ventilation is not smooth, so cause substantial amounts of manpower and waste.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is that providing a kind of central air-conditioning ventilation alarm determines
Position system, with prompting staff's advantage when return air inlet ventilation is not smooth.
Above-mentioned technical purpose of the present utility model technical scheme is that:A kind of central air-conditioning ventilation
Warning positioning system, including detection means, control device, positioner and warning device;
The detection means includes setting the baroceptor at each return air inlet, for detecting the draught head inside and outside return air inlet
To reflect return air inlet chocking-up degree, and produce pressure difference signal;
The detection means is coupled to the control device, and the warning device is coupled to the control device, described
Control device controls the control device to send alarm signal in response to pressure difference signal, and when pressure difference signal is abnormal;
The warning device include being used for detecting in operating room whether someone human body sensing device, be coupled to the human body
Induction installation and be arranged in operating room be used for sent in operating room during someone sound and light alarm signal short range warning device and
To the handheld terminal when being coupled to the human body sensing device and being used in operating room nobody with handheld terminal wireless connection
Send the remote alarming device of warning message;
The positioner is coupled to the detection means, the baroceptor abnormal for positioning pressure difference signal;It is described
Positioner includes being coupled to the signal prompt module of each baroceptor, and the signal prompt module includes being coupled to institute
State the first of the baroceptor coupling first switch member for comparing component, being coupled to the described first output end for comparing component
Device and the execution component for being coupled to the first switch component;The execution component is in response to pressure difference signal, hair
Go out to position the positioning signal of the abnormal baroceptor of pressure difference signal.
By using above-mentioned technical proposal, baroceptor detects the draught head inside and outside return air inlet and produces pressure difference signal
Send to control device, a benchmark pressure difference is preset with control device, judge when pressure difference signal is more than benchmark pressure difference
Pressure difference signal is abnormal, and control device control warning device sends alarm signal, to point out staff to have return air inlet to block
Situation, it is necessary to be repaired or cleared up;Short range warning device can to staff in operating room when carry out sound and light alarm
Remind, remote alarming device is used for when staff is not in operating room, sending warning message to staff reminds,
By using cooperatively for short range warning device and remote alarming device, staff is set to be received in spite of in operating room
To alarm, so as to carry out effective prompting to staff;
Default a reference value can be set according to actual conditions in control device, and this reference value generally is arranged on into summary
Serious numerical value is blocked less than return air inlet, so an anticipation in advance is carried out equivalent to the stopping state to return air inlet, returned
Staff is reminded in air port before blocking, so that reducing return air inlet the possibility blocked occurs, enables central air-conditioning steady
Fixed efficient running;Each signal prompt module one baroceptor of correspondence, so the signal prompt mould by sending signal
Block can be positioned to the abnormal baroceptor of pressure difference signal, and the return air inlet for stopping state occur is determined so as to realize
Position;
Its position fixing process is:Draught head inside and outside baroceptor detection return air inlet produces pressure difference signal, and sends to letter
Number reminding module;Compare first through comparing component, if pressure difference signal is more than the preset value compared in component, first switch member
Break-over of device, while performing component occurs positioning signal, so as to show the abnormal baroceptor of pressure difference signal;If pressure difference
Signal is less than the preset value compared in component, then first switch component is not turned on, and performs component without response;By setting
Detection means and warning device, are detected, and sent out when stopping state occurs in return air inlet in real time to the stopping state of return air inlet
Go out alarm signal and remind staff, so as to reduce the cost of manual maintenance, by setting positioner, pressure difference is shown in time
The baroceptor of abnormal signal, so as to be positioned to the return air inlet for stopping state occur, improves and Central Air condition is imitated
Rate.
The utility model is further arranged to:The positioner also includes in position indicator, the position indicator
Position and the numbering of each baroceptor are marked with, each signal prompt module is arranged in the position indicator and marked
Correspondence position and numbering at.
, can the more quick baroceptor for directly judging that pressure difference signal is abnormal by using above-mentioned technical proposal
Raw position, so as to quickly position the position of the return air inlet of blocking.
The utility model is further arranged to:The position marked in the position indicator and label and each air pressure
The position distribution of sensor between floors is consistent.
By using above-mentioned technical proposal, position indicator is the effect with similar map, can be more quick direct
The abnormal baroceptor of positioning pressure difference signal where position, so as to judge the position of return air inlet blocked.
The utility model is further arranged to:The component that performs is times in LED, buzzer and audible-visual annunciator
Meaning is one or more.
The utility model is further arranged to:The human body sensing device includes pyroelectric infrared sensor and is coupled to institute
State pyroelectric infrared sensor be used for control short range warning device work is selected during someone in operating room and in operating room
The mode switch module of the interior unmanned selection remote alarming device work.
By using above-mentioned technical proposal, pyroelectric infrared sensor be used to detecting it is indoor whether someone, cut by pattern
Change the mold block, control the work of short range warning device as indoor someone, and when it is indoor nobody when control remote alarming device work, reach
To the effect of short range warning device and remote alarming device cooperative work.
The utility model is further arranged to:The mode switch module includes the coupled with the human body sensing device
Two switching components and the first relay for being coupled to the second switch component, the switching circuitry of first relay with
The control device connection, and the switching circuitry of first relay has two conducting loops, the short range warning device
It is connected to remote alarming device in two conducting loops.
By using above-mentioned technical proposal, human body sensing device produces high level signal, second when detecting indoor someone
Relay is by contact switch adhesive into the loop of short range warning device, and short range warning device can ON operation;Human body sensing
Device produces low level signal when being not detected by indoor someone, the second relay is by contact switch adhesive to remote alarming device
In loop, remote alarming device can ON operation.
The utility model is further arranged to:The short range warning device includes amplifying circuit, the relay being sequentially connected
Circuit and alarm, the input of the amplifying circuit are connected with the output end of control device, and the alarm is connected on described
In the contact loop of relay circuit.
By using above-mentioned technical proposal, after the amplified circuit amplification of control signal that control device is sent, make relay
Circuit must be conducted, relay contact closure, and alarm is to send sound and light alarm signal, so as to carry out warning work to staff
With.
The utility model is further arranged to:The remote alarming device includes MCU chip, gsm module and information storage
Module;
The MCU chip is connected with control device;
Described information memory module is connected with the MCU chip, for storing warning message content and number information;
The gsm module is connected with the MCU chip, and by wireless network and handheld terminal wireless connection, for hand
Hold terminal and send warning message.
By using above-mentioned technical proposal, when pressure difference signal is abnormal, control device outputs control signals to MCU chip,
MCU chip is that control gsm module sends the warning message stored in information storage module to the handheld terminal of staff,
To remind staff.
The utility model is further arranged to:The control device is also associated with self-cleaning device, the self-cleaning device
Including being coupled to the time delay module of the control device and being coupled to the time delay module and fixation and the vibration of the return air inlet
Delay duration is preset with motor, the time delay module, and during pressure difference signal exception, the control device passes through the delay mould
Block controls the vibrating motor to be worked in delay duration.
By using above-mentioned technical proposal, when the pressure difference that baroceptor is detected occurs abnormal, control device control
Vibrating motor processed vibrates in delay duration, and vibrating motor can shake off the dust in return air inlet during vibration,
Slow down the stopping state of return air inlet, so that reserved a period of time is repaired to maintenance personal.
The utility model is further arranged to:The time delay module includes monostable circuit, is coupled to the monostable electricity
3rd switching component of road output end and the second relay for being coupled to the 3rd switching component, the vibrating motor string
In the on-off circuit for being connected in second relay.
By using above-mentioned technical proposal, the duration of delay can be set in monostable circuit, when baroceptor is detected
Pressure difference when occurring abnormal, control device output high point ordinary mail number, the high level of monostable circuit delay output delay duration
Low level signal is exported after signal, during high level signal is exported, second switch component conducting, so that relay is obtained
Electricity, the normally opened contact closure of relay, vibrating motor obtains electric and produces vibration force and shake off dust in return air inlet, and exports low electricity
Usually, switching component is not turned on, and vibrating motor is then stopped.
In summary, the utility model has the advantages that:
First, by setting detection means and warning device, being detected in real time to the stopping state of return air inlet, and returning
Air port occurs sending alarm signal prompting staff during stopping state, so that the cost of manual maintenance is reduced, it is fixed by setting
Position device, shows the abnormal baroceptor of pressure difference signal in time, so that the return air inlet for stopping state occur is positioned,
Improve to central air-conditioning maintenance efficiency;
Second, by setting human body sensing device, short range warning device and remote detection device, in operating room during someone
Send sound and light alarm signal, in operating room nobody when to staff handheld terminal send warning message, make staff
In spite of alarm can be received in operating room, so as to carry out effective prompting to staff;
It is with making the position display that return air inlet blocks more directly perceived quick third, set location direction board;
Fourth, by setting self-cleaning device, shaking off the dust in return air inlet, slow down the stopping state of return air inlet, so that
Reserved a period of time is repaired to maintenance personal.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment;
Fig. 2 is the control block of the present embodiment;
Fig. 3 is the circuit diagram of warning device;
Fig. 4 is the circuit diagram of detection means and positioner.
In figure:1st, control device;2nd, warning device;21st, human body sensing device;22nd, short range warning device;221st, electricity is amplified
Road;222nd, relay circuit;223rd, alarm;23rd, remote alarming device;231st, MCU chip;232nd, gsm module;233rd, information
Memory module;24th, mode switch module;241st, second switch component;242nd, the first relay;3rd, detection means;4th, air pressure
Sensor;5th, positioner;51st, position indicator;52nd, signal prompt module;521st, component is compared;522nd, first switch member
Device;523rd, component is performed;6th, self-cleaning device;61st, time delay module;611st, monostable circuit;612nd, the first device of the 3rd switch
Part;613rd, the second relay;62nd, vibrating motor.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of central air-conditioning ventilation warning positioning system, as depicted in figs. 1 and 2, control device 1 is electrically connected with alarm dress
2 and detection means 3 are put, detection means 3 includes the baroceptor 4 at each return air inlet of centrally disposed air-conditioning, baroceptor 4
The draught head inside and outside return air inlet can be detected, and produce pressure difference signal send to control device 1, each baroceptor 4
With a specific numbering.
As shown in figure 3, warning device 2 includes human body sensing device 21, short range warning device 22 and remote alarming device 23,
Human body sensing device 21 is pyroelectric infrared sensor, and the infrared signal for detecting human body, human body sensing device 21 is connected with
Mode-changeover device, mode-changeover device include with human body sensing device 21 be electrically connected with second switch component 241 and with
The first relay 242 that second switch component 241 is electrically connected with, second switch component 241 uses triode, the first relay
Device 242 has two contacts loop, and short range warning device 22 and remote alarming device 23 are connected in the loop of two contacts respectively,
Its contact switch is switched for single-pole double-throw type, and wherein any one contact loop can be turned in single-pole double-throw switch (SPDT);
As shown in figure 3, short range warning device 22 is arranged in operating room, including be sequentially connected amplifying circuit 221, relay
Device circuit 222 and alarm 223, alarm 223 are connected in the contact loop of relay circuit 222, and alarm 223 is acousto-optic
One or more in alarm, buzzer and alarm lamp, for sending sound and light alarm signal;
As shown in figure 3, remote alarming device 23 includes MCU chip 231, gsm module 232 and information storage module 233,
Gsm module 232 and information storage module 233 are connected with MCU chip 231, and be stored with prompt message in information storage module 233
Content and staff number information, GSM sending modules and handheld terminal are by wireless network wireless connection, for hand-held
Terminal sends warning message;
As shown in figure 3, its circuit connecting relation is:The output end connecting triode Q2 of human body sensing device 21 base stage,
Connection power input Vcc after triode Q2 grounded emitter, colelctor electrode connection electromagnetic relay KM1, amplifying circuit 221,
Relay circuit 222 and alarm 223 are sequentially connected in series in the one of loops of electromagnetic relay KM1, and MCU chip 231 is connected
In electromagnetic relay KM1 another loop;With the output end connecting triode Q1 of timed unit 1 base stage, triode
Power input Vcc, electromagnetic relay KM2 contact are connected after Q1 grounded emitter, colelctor electrode connection electromagnetic relay KM2
Switch is connected in KM1 switching circuitry;
Human body sensing device 21 produces high level signal when detecting indoor someone, the second relay 613 is by contact switch
Adhesive into the loop of short range warning device 22, short range warning device 22 can ON operation, if when pressure difference signal is abnormal, control
Device 1 exports high point ordinary mail number, and triode Q1 conductings electromagnetic relay KM2 obtains electric by its contact switch adhesive, electromagnetic relay
KM1 switching circuitry conducting, now alarm 223 sends sound and light alarm signal;Human body sensing device 21, which is not detected by interior, to be had
Low level signal is produced during people, the second relay 613 into the loop of remote alarming device 23, remotely reports contact switch adhesive
Alarm device 23 can ON operation, if when pressure difference signal is abnormal, the output high point ordinary mail number of control device 1, triode Q1 electric conductions
Magnetic relay KM2 obtains electric by its contact switch adhesive, and electromagnetic relay KM1 switching circuitry is turned on, and now MCU chip 231 is
Control gsm module 232 sends the warning message stored in information storage module 233 to the handheld terminal of staff, with
Remind staff.
As depicted in figs. 1 and 2, a benchmark pressure difference is preset with control device 1, when pressure difference signal is more than benchmark pressure difference
When judge that pressure difference signal is abnormal, the control warning device 2 of control device 1 sends alarm signal, while gsm module 232 is to hand-held
Terminal sends alarming short message, to point out staff to have return air inlet situation about blocking occur, it is necessary to be repaired or cleared up;Control
Default a reference value can be set according to actual conditions in device 1, and this reference value generally is arranged on into slightly below return air inlet
Serious numerical value is blocked, so an anticipation in advance is carried out equivalent to the stopping state to return air inlet, it is blocked in return air inlet
It is preceding to remind staff, so that reducing return air inlet the possibility blocked occurs, enable the fortune of central air-conditioning stability and high efficiency
Make.
Such as Fig. 1, detection means 3 is connected with positioner 5, and positioner 5 includes position indicator 51 and is arranged on position
The space layout drawing of building, and signal are bonded with multiple signal prompt modules 52 on direction board 51, position indicator 51
Reminding module 52 is arranged on position consistent with each set location of baroceptor 4 in position indicator 51;Each air pressure
Sensor 4 is electrically connected with a signal prompt module 52, and each signal prompt module 52 is marked with the gas with corresponding connection
The consistent numbering of pressure sensor 4, such as the baroceptor 4 that numbering is " 1 ", the numbering of coupled signal prompt module 52
For " 1 ".
As shown in figure 4, signal prompt module 52 include be connected with baroceptor comparison component 521, with being compared first
The connected first switch component 522 of the output end of device 521 and the execution member device connected with first switch component 522
Part 523;Compare component 521 and use LM339 comparators, first switch component 522 uses triode, performs component 523
For any one or more in LED, buzzer and audible-visual annunciator, LED is used in the present embodiment;
Its circuit connecting relation is:Baroceptor connects the in-phase input end of a comparator, the anti-phase input of comparator
End input comparison voltage, comparing voltage value is consistent with default a reference value in control device 1, the output end connection one of comparator
Triode Q3 base stage, triode Q3 collector and emitter is connected in series with a LED;
Baroceptor 4 produces pressure difference signal after detecting the draught head inside and outside return air inlet, through comparator relatively after, if pressure
Difference signal is more than the comparing voltage value of comparator, and comparator output high level turns on triode Q3, and LED lights, so that real
Now to the positioning of the abnormal baroceptor 4 of pressure difference signal, i.e., the return air inlet for stopping state occur is positioned;If pressure difference is believed
Number be less than comparator in comparing voltage value, then triode Q3 be not turned on, LED does not light.
As shown in Fig. 2 being electrically connected with self-cleaning device 6 in control device 1, self-cleaning device 6 includes time delay module 61
With vibrating motor 62, time delay module 61 includes monostable circuit 611, the 3rd switching component 612 and the second relay 613, single
Steady-state circuit 611 is made up of 555 timers, and the 3rd switching component 612 uses triode, and the second relay 613 is open in usual
Electromagnetic relay;
Its circuit connecting relation is that the input of monostable circuit 611 connects the output end of control device 1, monostable electricity
The output end connecting triode Q4 on road 611 base stage, triode Q4 grounded emitters, the rear connection electricity of collector connection relay
Source input Vcc, vibrating motor 62 is connected in the normally closed switch loop of the second relay 613;
The duration of delay can be set in monostable circuit 611, when exception occurs in the pressure difference that baroceptor 4 is detected
When, the output high point ordinary mail number of control device 1, the delay of monostable circuit 611 exports low after exporting the high level signal of delay duration
Level signal, during high level signal is exported, the 3rd switching component 612 is turned on, so that the second relay 613 obtains electric,
The normally opened contact closure of second relay 613, vibrating motor 62 it is electric and produce vibration force and shake off dust in return air inlet, it is and defeated
When going out low level, the 3rd switching component 612 is not turned on, and vibrating motor 62 is then stopped.
By setting detection means 3 and warning device 2, the stopping state of return air inlet is detected in real time, and in return air
Mouth occurs sending alarm signal prompting staff during stopping state, so as to reduce the cost of manual maintenance, passes through and sets positioning
Device 5, shows the abnormal baroceptor 4 of pressure difference signal in time, so that the return air inlet for stopping state occur is positioned,
Improve to central air-conditioning maintenance efficiency;Simultaneously by setting human body sensing device 21, short range warning device 22 and remote detection to fill
Put 3, send sound and light alarm signal during someone in operating room, in operating room nobody when to staff handheld terminal send
Warning message, makes whether staff's pipe can receive alarm in operating room, so as to be carried out to staff effective
Prompting;.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
- The warning positioning system 1. a kind of central air-conditioning is divulged information, it is characterised in that:Including detection means (3), control device (1), determine Position device (5) and warning device (2);The detection means (3) includes setting the baroceptor (4) at each return air inlet, for detecting the air pressure inside and outside return air inlet Difference produces pressure difference signal to reflect return air inlet chocking-up degree;The detection means (3) is coupled to the control device (1), and the warning device (2) is coupled to the control device (1), the control device (1) controls the control device (1) to send report in response to pressure difference signal, and when pressure difference signal is abnormal Alert signal;The warning device (2) include being used for detecting in operating room whether someone human body sensing device (21), be coupled to it is described Human body sensing device (21) and it is arranged in operating room and is used to send the short range report of sound and light alarm signal during someone in operating room Alarm device (22) and be coupled to the human body sensing device (21) and with handheld terminal wireless connection be used in operating room nobody When to the handheld terminal send warning message remote alarming device (23);The positioner (5) is coupled to the detection means (3), the baroceptor (4) abnormal for positioning pressure difference signal; The positioner (5) includes being coupled to the signal prompt module (52) of each baroceptor (4), the signal prompt mould Block (52), which includes being coupled to, the first of the baroceptor (4) to be compared component (521), is coupled to described first and compares first device The first switch component (522) of the output end of part (521) and the execution for being coupled to the first switch component (522) Component (523);The execution component (523) sends the abnormal air pressure sensing of positioning pressure difference signal in response to pressure difference signal The positioning signal of device (4).
- The warning positioning system 2. central air-conditioning according to claim 1 is divulged information, it is characterised in that:The positioner (5) Also include position and numbering that mark on position indicator (51), the position indicator (51) has baroceptor (4), often The individual signal prompt module (52) is arranged at the correspondence position marked in the position indicator (51) and numbering.
- The warning positioning system 3. central air-conditioning according to claim 2 is divulged information, it is characterised in that:The position indicator (51) position of mark and label are consistent with each position distribution of the baroceptor (4) between floors in.
- 4. the central air-conditioning ventilation warning positioning system according to claim 1 or 3, it is characterised in that:It is described to perform first device Part (523) is any one or more in LED, buzzer and audible-visual annunciator (223).
- The warning positioning system 5. central air-conditioning according to claim 1 is divulged information, it is characterised in that:The human body sensing device (21) include pyroelectric infrared sensor and be coupled to the pyroelectric infrared sensor be used for control in operating room during someone Select the mould that the short range warning device (22) works and the unmanned selection remote alarming device (23) works in operating room Formula handover module (24).
- The warning positioning system 6. central air-conditioning according to claim 5 is divulged information, it is characterised in that:The mode switch module (24) include the second switch component (241) that is coupled with the human body sensing device (21) and to be coupled to the second switch first The first relay (242) of device (241), switching circuitry and the control device (1) of first relay (242) connect Connect, and the switching circuitry of first relay (242) has two conducting loops, the short range warning device(22)With it is long-range Warning device(23)It is connected in two conducting loops.
- The warning positioning system 7. central air-conditioning according to claim 6 is divulged information, it is characterised in that:The short range warning device (22)Including the amplifying circuit (221), relay circuit (222) and alarm (223) being sequentially connected, the amplifying circuit (221) input is connected with the output end of control device (1), and the alarm (223) is connected on the relay circuit (222) in contact loop.
- The warning positioning system 8. central air-conditioning according to claim 6 is divulged information, it is characterised in that:The remote alarming device (23)Including MCU chip (231), gsm module (232) and information storage module (233);The MCU chip (231) is connected with control device (1);Described information memory module (233) is connected with the MCU chip (231), for storing warning message content and number letter Breath;The gsm module (232) is connected with the MCU chip (231), and by wireless network and handheld terminal wireless connection, uses In to handheld terminal send warning message.
- The warning positioning system 9. central air-conditioning according to claim 1 is divulged information, it is characterised in that:The control device (1) Self-cleaning device (6) is also associated with, the self-cleaning device (6) includes being coupled to the time delay module of the control device (1) (61) and it is coupled to the time delay module (61) and the fixed vibrating motor (62) with the return air inlet, the time delay module (61) Delay duration is inside preset with, and during pressure difference signal exception, it is described that the control device (1) passes through the time delay module (61) control Vibrating motor (62) works in delay duration.
- The warning positioning system 10. central air-conditioning according to claim 9 is divulged information, it is characterised in that:The time delay module (61) include monostable circuit (611), be coupled to the 3rd switching component (612) of the monostable circuit (611) output end With the second relay (613) for being coupled to the 3rd switching component (612), the vibrating motor (62) is connected in described In the on-off circuit of two relays (613).
Priority Applications (1)
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CN201720023329.9U CN206430322U (en) | 2017-01-07 | 2017-01-07 | Central air-conditioning ventilation warning positioning system |
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CN201720023329.9U CN206430322U (en) | 2017-01-07 | 2017-01-07 | Central air-conditioning ventilation warning positioning system |
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CN201720023329.9U Expired - Fee Related CN206430322U (en) | 2017-01-07 | 2017-01-07 | Central air-conditioning ventilation warning positioning system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107608220A (en) * | 2017-09-08 | 2018-01-19 | 肇庆高新区恒泰信息服务有限公司 | A kind of intelligent domestic remote control system based on CAN |
CN107727798A (en) * | 2017-09-27 | 2018-02-23 | 深圳市鹏恒太空舱酒店设备有限公司 | A kind of Sleeping capsule ventilation fault alarm method and Sleeping capsule |
CN108760978A (en) * | 2018-04-20 | 2018-11-06 | 广州晓谷川骐通信技术有限公司 | Gas-detecting device and system |
-
2017
- 2017-01-07 CN CN201720023329.9U patent/CN206430322U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107608220A (en) * | 2017-09-08 | 2018-01-19 | 肇庆高新区恒泰信息服务有限公司 | A kind of intelligent domestic remote control system based on CAN |
CN107727798A (en) * | 2017-09-27 | 2018-02-23 | 深圳市鹏恒太空舱酒店设备有限公司 | A kind of Sleeping capsule ventilation fault alarm method and Sleeping capsule |
CN108760978A (en) * | 2018-04-20 | 2018-11-06 | 广州晓谷川骐通信技术有限公司 | Gas-detecting device and system |
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